Goaf water detection using the grounded electrical source airborne transient electromagnetic system

Dongsheng Li1, Yanju Ji2, Shanshan Guan3, Yanqi Wu3 and Aimin Wang3, (1)Jilin University, Jilin, China, (2)Jilin University, College of Instrumentation& Electrical Engineering, Changchun, China, (3)Jilin University, Changchun, China